| Royse City to Castle Pines (Colorado) | 653.74 mi (1,052.09 km) |
| Royse City to Castle Rock (Colorado) | 649.18 mi (1,044.75 km) |
| Royse City to Castro Valley (California) | 1,482.33 mi (2,385.58 km) |
| Royse City to Catalina Foothills (Arizona) | 848.08 mi (1,364.86 km) |
| Royse City to Cataño (Puerto Rico) | 2,118.87 mi (3,409.99 km) |
| Royse City to Cathedral City (California) | 1,161.69 mi (1,869.56 km) |
| Royse City to Catonsville (Maryland) | 1,172.70 mi (1,887.28 km) |
| Royse City to Cave Spring (Virginia) | 966.12 mi (1,554.82 km) |
| Royse City to Cayce (South Carolina) | 882.18 mi (1,419.74 km) |
| Royse City to Cayey (Puerto Rico) | 2,130.45 mi (3,428.63 km) |
| Royse City to Cedar City (Utah) | 998.42 mi (1,606.80 km) |
| Royse City to Cedar Falls (Iowa) | 692.13 mi (1,113.88 km) |
| Royse City to Cedar Hill (Texas) | 46.20 mi (74.36 km) |
| Royse City to Cedar Lake (Indiana) | 757.57 mi (1,219.19 km) |
| Royse City to Cedar Mill (Oregon) | 1,649.80 mi (2,655.10 km) |
